Area codes in England begin with 01, or 02.
A number like (0121) 3xx xxxx will be in Birmingham, UK.
An international telephone number beginning with +1 213 is in downtown Los Angeles, California, USA.
In North America (USA, Canada, etc.), area code +1 412 is Pittsburgh, Pennsylvania.
In the UK, area code +44 141 (or 0141 in domestic format) is Glasgow, Scotland; the '2' would be the beginning of a 7-digit local number.
(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but North America (USA, Canada, etc.) uses 011, Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)
Telephone country code +1 (dialed as 00 1 from many places) is North America, including the USA, Canada, and certain Caribbean-ish islands. Area code +1 416 is Toronto, Ontario, Canada, including only the city itself.
(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but North America (USA, Canada, etc.) uses 011, Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)
Telephone country code +1 is North America (USA, Canada, and 18 Caribbean-ish islands).
Area code +1 512 is Austin, Texas, and nearby towns. It will be overlaid with area code +1 737 in July 2013.
(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)
The country code and area code of Volkovusk, Belarus is 375, (8~0)1512.
Leichtenstein is telephone country code +423.
where is telephone country code 1816
That is not a country code.
There is no 909 country code.
There is no telephone country code +897, nor +89, nor any other country code beginning with +89. There are no valid telephone numbers beginning with +89.
Gibraltar is country code +350.
Moldova is country code +373.
Slovenia is country code +386.
Togo is country code +228.
Liberia is country code +231.
Angola is country code +244.